1965
DOI: 10.1002/cber.19650980802
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Umsetzung von Alkalimetallphosphiden mit Salzen aromatischer Sulfonsäuren, I: Eine neue Synthese für tertiäre und ditertiäre Phosphine

Abstract: Als neuer Syntheseweg fur die Darstellung arornatischer Phosphine wird die Umsetzung von Alkaliphosphiden mit Salzen aromatischer Sulfonseuren beschrieben, wobei die Sulfonatgruppe durch den Phosphidrest ersetzt wird und ein tertiares Phosphin neben einem Alkalisulfit entsteht. Die Umsetzung ist stark vom Lasungsmittel abhangig und hauptsachlich zur Darstellung tertiarer Phosphine mit mindestens einer aromatischen Gruppe oder von Diphosphinen mit aromatischen Briickengliedern geeignet. Die TR-Spektren werden d… Show more

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Cited by 14 publications
(3 citation statements)
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“…The formation of the P−C aryl bond in 2 from 3 / 3′ can be rationalised as an intramolecular nucleophilic attack of a phosphanide moiety (steps 4 and 5), formed by deprotonation of the secondary 2,3‐dihydrophosphole with LiAlH 4 (step 3), at the ipso ‐carbon atom bearing the sulfonyl group. Such nucleophilic aromatic substitutions at arylsulfonates with alkali metal phosphanides have been reported [12] . The leaving group is a formal amidosulfinate, which is further reduced by LiAlH 4 to the amino group and a sulfide anion (step 6).…”
Section: Resultsmentioning
confidence: 78%
See 1 more Smart Citation
“…The formation of the P−C aryl bond in 2 from 3 / 3′ can be rationalised as an intramolecular nucleophilic attack of a phosphanide moiety (steps 4 and 5), formed by deprotonation of the secondary 2,3‐dihydrophosphole with LiAlH 4 (step 3), at the ipso ‐carbon atom bearing the sulfonyl group. Such nucleophilic aromatic substitutions at arylsulfonates with alkali metal phosphanides have been reported [12] . The leaving group is a formal amidosulfinate, which is further reduced by LiAlH 4 to the amino group and a sulfide anion (step 6).…”
Section: Resultsmentioning
confidence: 78%
“…Such nucleophilic aromatic substitutions at arylsulfonates with alkali metal phosphanides have been reported. [12] The leaving group is a formal amidosulfinate, which is further reduced by LiAlH 4 to the amino group and a sulfide anion (step 6). Finally, 2 is formed on work up with water (step 7).…”
Section: Resultsmentioning
confidence: 99%
“…280 "C; vmax. 3 820br and 1 625br cm-'; m/z 266(4%), 264(9), 229(9), 228(4), 227 (17), 179(3), 177 (8), 155(16), 154(100), 153 (10), 152 (24), 151 (17), and 77 (17)] which gave a positive lithium flame test and is tentatively identified as lithium diphenylarsinate.…”
Section: Reactions Of Mixed Halides With Lithium Dipheny1arsenide-mentioning
confidence: 97%